ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿ÔÚ¡°Ñо¿ÔȱäËÙÖ±ÏßÔ˶¯¡±µÄʵÑéÖУºÈçͼ¸ø³öÁË´Ó0µã¿ªÊ¼£¬Ã¿5¸öµãÈ¡Ò»¸ö¼ÆÊýµãµÄÖ½´ø£¬ÆäÖÐ0¡¢1¡¢2¡¢3¡¢4¡¢5¡¢6¶¼Îª¼ÆÊýµã£®²âµÃ£ºx1£½1.40 cm£¬x2£½1.90 cm£¬x3£½2.38 cm£¬x4£½2.88 cm£¬x5£½3.39 cm£¬x6£½3.87 cm.£¨µçԴƵÂÊΪ50Hz£©ÄÇô£º
£¨1£©¼ÆÊýµã3µÄ˲ʱËٶȵĴóСÊÇ________m/s.
£¨2£©Ð¡³µÔ˶¯µÄ¼ÓËٶȵĴóСÊÇ_________m/s2.£¨½á¹û¾ù±£Áô2λÓÐЧÊý×Ö£©
¡¾´ð°¸¡¿0.26 0.50
¡¾½âÎö¡¿
ÀûÓÃÔȱäËÙÖ±ÏßÔ˶¯ÖÐʱ¼äÖеãµÄ˲ʱËٶȵÈÓڸùý³ÌÖеÄƽ¾ùËٶȿÉÒÔÇó³öijµãµÄ˲ʱËٶȣ¬Ó¦ÓÃÖð²î·¨¿ÉÒÔÇó³öÎïÌåµÄ¼ÓËٶȣ»
µçԴƵÂÊΪ50Hzʱ£¬Ëüÿ¸ô´òÒ»¸öµã£¬ÓÉÓÚÿ5¸öµãÈ¡Ò»¸ö¼ÆÊýµã£¬ÔòÏàÁÚ¼ÆÊýµãµÄʱ¼ä¼ä¸ôΪ£»
£¨1£©¸ù¾ÝÔȱäËÙÖ±ÏßÔ˶¯ÖÐʱ¼äÖеãµÄËٶȵÈÓڸùý³ÌÖеÄƽ¾ùËٶȣ¬¿ÉÒÔÇó³ö´òÖ½´øÉÏ3µãʱС³µµÄ˲ʱËٶȴóС£¬ÓУº£»
£¨2£©¸ù¾ÝÔȱäËÙÖ±ÏßÔ˶¯µÄÍÆÂÛ£¬ÀûÓÃÖð²î·¨¿ÉÒÔÇó³ö¼ÓËٶȵĴóСµÃ£º¡£